General C++ Programming - C++ Forum - February 2019 (Page 10)

by Fadey

calling from global class's constructor, is it safe?

void triggerMe(int in); class second; class first { public: int something; first() { something...

[4 replies] Last: Your first example, works, but only because csecond contains purely PO... (by dhayden)

by moosavi69

Create a specific structure of array in C++

I want to create a structure in C++ in which some of its elements are arrays (as the following code)...

[5 replies] Last: dynamic does not have to mean that it will change size, it just means ... (by jonnin)

by Grumpychael

i need to add yes or that will restart the loop or exit

After identifying the winner, the system should ask if the user want another game (If the user selec...

[6 replies] Last: switches specifically work on integer cases only. You have to find a ... (by jonnin)

by Aleksa03

C++ Colors

I am making tic tac toe game and i want my char 'X' to be blue and my char 'O' to be green and if 'X...

[6 replies] Last: It is working now thank you so much. It has some errors but i fixed th... (by Aleksa03)

by RmmB26

C++ community. i have Tasks and need yor help!!!.

i need your help. i try to find where is the mistake or mistakes and how to find solution for this c...

[2 replies] Last: I'm not 100% sure what the actual desired behaviour for this program i... (by TomBroughton)

by raymondh2os

Trying to improve the leap year algorithm

I am trying to improve the leap year algorithm to tell me when the next leap year is if the year ent...

[4 replies] Last: #include <iostream> bool IsLeapYear(int y) { return y % 4 == 0 ... (by dutch)

by hello321

Data file read

Hello everyone, I am trying to read from a data file. I have a working code, but i am having difficu...

[3 replies] Last: Thank you everyone for being great help! It works now and also fixed t... (by hello321)

by Jack599

Undeclared Identifier Issue

.

[1 reply] : The path to a file is merely a string with special formatting. String... (by mbozzi)

by frek

Does a C++ programmer need learning C in 2019

Hi all, I know that how powerful both C and C++ are. C++ added some new features to C and evolved...

[7 replies] Last: Windows, especially its new ones (7 and 10), are mostly written in C+... (by closed account E0p9LyTq)

by nhnam

The insertion in map STL cause code 0xC0000005

Hi.I'm implementing the hash map for my own purpose, and my method for this is using a vector of map...

[16 replies] Last: you can compare 8 bytes or less at a go with a 64 bit int. Should be ... (by jonnin)

by RmmB26

C++ community. i have Tasks and need yor help!!!.

please, help me to find, what is the final result and how it works. it's code #include <iostream>...

[3 replies] Last: A long time ago (286 era here) I tried a BUNCH of ways to swap (int, d... (by jonnin)

by rodgexu

const_cast

For the following program: #include <iostream> using namespace std; int main() { const int...

[6 replies] Last: let me try to explain what you might be seeing, in beginner terms. ... (by jonnin)

by lovebug

Logging functionality

I'm making a logging class that is supposed to help with debugging some programs that I'll eventuall...

[10 replies] Last: I'm really unfamiliar with how one would detect errors from the compi... (by AbstractionAnon)

by nenaimi

Evaluating Postfix Expressions with Alphabet Characters

Hello, I am writing a program that takes postfix expression strings, such as: AB+CD-* And eva...

[1 reply] : > Is there a better way to do this instead of using an if statement? ... (by JLBorges)

by ZeroZ30o

Creating a (custom-language) compiler able to use third-party libraries

Hello, I'm trying to make my own compiler and ran into a few issues. I know how to get the lexer an...

[7 replies] Last: Get John Levine's book Linkers and Loaders , ISBN 978-1558604964 It'... (by mbozzi)

by Fadey

difference between switch, default [] operator and if else.

(no optimizers) int arr = {0,1,2,3} int m1(int i){ return arr } int m2(int i){ switch(...

[4 replies] Last: I heard a rumor that compiler makes other elements happen so it can f... (by jonnin)

by vibhu

Communication between threads in c++

Hi I am trying to print repeated pattern using thread only 5 times when number of thread are 5 but...

[8 replies] Last: thankyou very much Konstantin2 it's working now thanks salem ...now i ... (by vibhu)

by lovebug

Reading errors/warnings from the compiler

Part of the project I'm working on has me write errors/warnings to a log file. I understand that thi...

[14 replies] Last: Oh I didn't see the code snippet my bad. Makes sense. (by Grime)

by Makan11

problem

sfghkl.

[12 replies] Last: In the past 5 minutes I've seen 2 posts titled "Question" and one titl... (by dhayden)

by Fadey

std:time() returns invalid time.

It is said that std:time function from <time.h> should return the same time if called same time, no ...

[6 replies] Last: What makes you think that time() is returning one timezone or another?... (by dhayden)

General C++ Programming - February 2019 (Page 10)

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